00285nam a2200097Ia 4500008004100000082002100041100004500062245004200107260003000149300000800179140113s9999    xx            000 0 und d  a633:631.586   M5  a"Balasubramanian,V. & Venkatshwaralu,J."  aEfficient management of dryland crops  a1985bI.C.A.R.cHyderabad  a410